Nanoplastics absorb heavy metal ions, US study finds

A US study discovered that nanoplastics derived from waste can effectively absorb harmful heavy metal ions, potentially aiding in environmental cleanup. Researchers found that polypropylene nanoplastics exhibited the highest adsorption capacity, rapidly removing metals like lead. The study used nanoplastics synthesized from common waste materials, including PET bottles and food containers. The study's findings suggest a possible method for removing heavy metals from contaminated environments. The nanoplastics, created without chemical assistance, were found to have irregular shapes and sizes under 200 nm.